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  <name>Prof. Dr. Guido Moerkotte</name>
  <img src="http://pi3.informatik.uni-mannheim.de/~moer/guidoByGuySmall.jpg"
    alt="Guido Moerkotte (by Guy Lohman)"/>
  <zimmer>Raum C0.10</zimmer>
  <email>moerkotte@wo-wohl.de (for non-German speaking folks: use the domain uni-mannheim.de)</email>
  <homepage></homepage>
  <gnupg_key></gnupg_key>
  <fingerprint></fingerprint>
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    <hl>The picture was taken by Guy Lohman</hl>
    <h1>Sprechstunde</h1>
    Donnerstag 17.10
    
    <h1>Werdegang</h1>
    Seit Januar 1996 Professor an der <a href="http://www.uni-mannheim.de">Universität Mannheim</a>
    <p>vorher  Professor an der <a href="http://www.rwth-aachen.de">RWTH-Aachen</a></p>
    <p>Promotion 1989 bei Prof. Lockemann an der <a
	href="http://www.uni-karlsruhe.de">Universität Karlsruhe</a></p>
    
    <a href="http://pi3.informatik.uni-mannheim.de/~moer/Publications/">Einige Publikationen</a>.
    
    <h2>Query Compiler</h2>
    Whoever is interested in query compilers/query optimization might
    want to read the following draft. Any comment on it is welcome.
    <a href="http://pi3.informatik.uni-mannheim.de/~moer/querycompiler.pdf">Building Query Compilers (in pdf, (03.12.14))</a>
    
    <h2>A query language for XML:</h2>
    <a href="http://pi3.informatik.uni-mannheim.de/~moer/yaxql.ps">YAXQL</a>
    
    <h2>Relational Database Management Systems</h2>
    
    <ul>
      <li><a href="http://www.primebase.de">PrimeBase SQL Database Server</a></li>
      <li> <a href="http://www.transaction.de">TransBase</a></li>
      <li> <a href="http://www.paraccel.com">ParAccel</a></li>
    </ul>
    
    <h2>Object-Oriented Database Management Systems</h2>
    
    <ul>
      <li> <a href="http://www.odmg.org">ODMG</a></li>
      <li> <a href="http://www.o2tech.fr">O2</a></li>
      <li> <a href="http://www.poet.com">POET</a></li>
      <li> <a href="http://www.odi.com">Object Store</a></li>
      <li> <a href="http://www.gemstone.com">Gemstone</a></li>
      <li> <a href="http://www.objectivity.com">Objectivity</a></li>
      <li> <a href="http://www.versant.com">Versant</a></li>
      <li> <a href="http://www.ontos.com"> Ontos </a></li>
      <li> <a href="http://www.unixspace.com/context">ConteXt</a></li>
    </ul>

    Another nice link is the facts about objects and databases page at
    <a href="http://www.service-architecture.com/object-oriented-databases/index.html">Barry &amp; Associatiates Inc.</a>.
    
    <h2>Data Warehousing</h2>
    
    <p>Seiten zum Thema Data Warehousing:</p>

    <ul>
      <li> Die <a
	  href="http://www.cs.toronto.edu/%7Emendel/dwbib.html">Bibliographie</a> von Alberto Mendelzon enth\"alt viele Literaturhinweise</li>
      <li> <a href="http://www.access.digex.net:80/%7Egrimes/olap/olap.html">
	  Artikel und Produkte </a></li>
      <li> <a href="http://www.cityscape.co.uk/users/ae29/olaplnks.htm">
	  Uebersicht </a></li>
      <li> <a href="http://www.avonibp.co.uk:80/cqm/analysis.html">
	  Datenanalysetools </a></li>
      <li> <a href="http://www.cs.bham.ac.uk/%7Eanp/sites.html"> Artikel und
	  Produkte </a></li>
      <li> <a href="http://www.clever.net/dbd/olap/"> Uebersicht</a></li>
      <li> <a href="http://www.futuris.net/busintel/welcom.htm"> Business
	  Intelligence </a></li>
      <li> <a href="http://www.starnetinc.com/pwp/larryg/articles.html">
	  Artikel </a></li>
      <li> <a href="http://pwp.starnetinc.com/larryg/index.html"> Data
	  Warehousing Overview </a></li>
      <li> <a href="http://www.redbrick.com/"> RedBrick </a></li>
      <li> <a href="http://www.tpc.org"> Transaction Processing Council (see
	  TPC-D) </a></li>
      <li> <a href="http://www.olapcouncil.org"> OLAP Council </a></li>
      <li> <a href="http://members.aol.com/nraden/str101.htm"> Star Schema 101
	</a></li>
      <li> <a href="http://www.arborsoft.com"> Arbor Software (ESSBASE)</a></li>
    </ul>
   
    <h2>Object-oriented database systems (?)</h2>
    <a href="http://odbms.org">ODBMS.ORG</a>
 
    <h2>XML Base Management Systems (XBMS)</h2>
    
    Ein am Lehrstuhl PI3 entwickeltes natives Datenbanksystem für XML ist
    <a href="http://www.data-ex-machina.com/natix.html">Natix</a>. 
    Neben den unten genannten Links gibt es hier weitere (technische) Informationen
    zu <a href="http://pi3.informatik.uni-mannheim.de/staff/mitarbeiter/moer/natix.html"> 
      Natix</a>.


    <ul>
      <li> <a href="http://www.data-ex-machina.com">Natix</a></li>
      <li> <a href="http://www.xyleme.com">Xyleme Zone Server</a></li>
      <li> <a href="http://www.software-ag.com">Tamino</a></li>
      <li> <a href="http://www.eecs.umich.edu/db/timber">Timber</a></li>
      <li> <a href="http://www.sleepycat.com">Sleepy Cat</a></li>
      <li> <a href="http://www.dbxml.org">dbXML (removed)</a></li>
      <li> <a href="http://xml.apache.org/xindice">Xindice (Java)</a></li>
      <li> <a href="http://www.x-hive.com">X-Hive (Java) </a></li>
      <li> <a href="http://www.openlinksw.com"> Virtuoso (OpenLink Software)</a></li>
      <li> <a href="http://www.exceloncorp.com"> Excelon (ObjectStore based)
	</a></li>
      <li> <a href="http://www.poet.com">Poet's Content Management Suite (Poet
	  based)</a></li>
      <li> <a href="http://www.informix.com">Axielle (Informix) </a></li>
      <li> <a href="http://exist.sourceforge.net">eXist (mySQL-based)</a></li>
      <li> <a href="http://www.xmlglobal.com/prod/db">GoXML DB (Java)</a></li>
      <li> <a href="http://www.xyzfind.com">xyzfind (removed)</a></li>
      <li> <a href="http://www.ipedo.com">Ipedo (Java)</a></li>
      <li> <a href="http://www.neocore.com">NeoCore XMS (removed)</a></li>
      <li> <a href="http://www.tendara.com">Tendara Movile XML (Java?)</a></li>
      <li> <a href="http://www.ixiasoft.com">TEXTML server</a></li>
      <li> <a href="http://www.coherity.com">Coherity XML Database
	  (Middleware)</a></li>
    </ul>
    
    See also the overview <a href="http://www.rpbourret.com/xml/XMLDatabaseProds.htm">XML Database Products</a>
    or <a
      href="http://www.service-architecture.com/products/xml_databases.html">XML Data Servers</a> for  another list of products.
    Use cases and application studies for/of native XML databases can be found in a three-part article
    by Ronald Bourret:
      <a href="http://www.xml.com/pub/a/2005/03/30/native.html">Part I</a>.
      <a href="http://www.xml.com/pub/a/2005/04/13/going-native.html">Part II</a>.
      <a href="http://www.xml.com/pub/a/2005/05/25/native.html">Part III</a>.
    
    <p>Here is a list of benchmarks for XML Base Management Systems</p>

    <ul>
      <li> <a
	  href="https://cs.uwaterloo.ca/~tozsu/ddbms/projects/xbench/">XBench</a></li>
      <li> <a
	  href="http://dbs.uni-leipzig.de/en/projekte/XML/XmlBenchmarking.html">XMach-1</a></li>
      <li> <a href="http://www.datapower.com/XSLTMark">XSLTMark</a></li>
      <li> <a href="http://www.xml-benchmark.org">XMark</a></li>
      <li> <a href="http://www.eecs.umich.edu/db/mbench">Michigan
	  Benchmark</a></li>
      <li> <a href="http://www.comp.nus.edu.sg/%7Eebh/XOO7/main.html">XOO7</a></li>
      <li> <a href="http://staff.science.uva.nl/~francesc/xpathmark">XPathMark</a></li>
      <li> <a href="http://tilcara.science.uva.nl:8080/exist/benchmarks/index.xq">MemBeR (more a skeleton of a benchmark)</a></li>
    </ul>

    <hr/>
    There exists a nice XQuery interpreter named <a href="http://db.bell-labs.com/galax">Galax</a>
    which can be downloaded from <a href="http://db.bell-labs.com/galax/distrib.html">Bell Labs</a>.
    There is a page with more links to
    <a href="http://www.csd.uch.gr/%7Ehy561/software_links.html">XQuery implementations</a>.
    <hr/>
    <p>General Information about XML</p>

    <ul>
      <li> <a href="http://www.w3.org">W3C (look here for standards)</a></li>
      <li> <a href="http://www.xml.org">A lot of information about XML and its
	  applications</a></li>
      <li> <a href="http://www.xml.com">Technology oriented commercial
	  site</a></li>
      <li> <a href="http://xml.coverpages.org">A lot of information about XML
	  and its applications</a></li>
      <li> <a href="http://www.xmlhack.com">A more developer oriented
	  site</a></li>
      <li> <a href="http://www.oasis-open.org">Application
	  Standards (plenty!)</a></li>
      <li> <a href="http://www.bmecat.de">Standard for Exchange of Catalogue
	  Data</a></li>
      <li> <a href="http://www.ebxml.org">ebXML initiative (XML for
	  business)</a></li>
    </ul>

    <hr/>
    <br/>
    <a href="http://research.microsoft.com/pubs/ccontrol">Bernstein,
      Hadzilacos, Goodman: Concurrency Control and Recovery in Database Systems</a>
    <hr/>
    <br/>
    <a href="test.html">test</a>

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